| Acronym | Meaning |
| ISM | Intersecting Spheres Model (for Electronic-structure Calcns.) |
| GIPOF | Graded-Index Plastic Optical Fiber |
| CI | Configuration Interaction |
| HSLA | High-strength Low-alloy (steel) |
| QAPP | Quality Assurance Project Plan |
| SSPM | Scanning Surface Potential Microscopy |
| MPW | Multiple Plane Wave (in Electronic-property For Metals) |
| GCECD | Gas Chromatography Electron Capture Detector |
| MERT | Modified Effective-range Theory (for Electron-mol. Scattering) |
| SAFT-VR | Statistical Assocg. Fluid Theory For Chain Mols. With Interaction Potentials Of Variable Range |